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National Stock Number:
5305-01-545-0183
Federal Supply Class:
5305
National Item Identification Number:
015450183
Description:
SCREW,CAP,HEXAGON HEAD
Detail:
An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. The threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. The thread length being the controlled dimension, the grip length is not specified. A locking feature may be incorporated in the design of the head or threads. Excludes BOLT, MACHINE; BOLT, EXTERNALLY RELIEVED BODY; BOLT, INTERNAL WRENCHING; and SCREW, CAP, SOCKET HEAD.
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Manufacturer Information:
| 0.250-28UNF-3AX2.38LG CRES 431 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | | 0.250-28UNF-3AX2.38LG CRES 431L1 | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG | | 284593-0001 ITEM 67 | 99657 | MAROTTA CONTROLS INC | | 284593-0001 ITEM 67L1 | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG | | 4201412-0307 | 99657 | MAROTTA CONTROLS INC | | 4201412-0307L1 | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG |
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Techincal Specification:
| CRITICALITY CODE JUSTIFICATION | ZZZY | | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS |
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